Related Clues:
- Scientist Bill with a show on PBS
- Loopy Louis
- ''Science Guy'' of PBS
- Bill the 'Science Guy'
- Emmy-winning scientist Bill
- Bill the Science Guy
- Bill on PBS
- Frequent ad-libber on 'The Steve Allen Show'
- TV science guy Bill
- PBS's science guy
- TV's "Science Guy" Bill
- The Science Guy
- Leia portrayer
- Memorable funnyman Louis
- TV's ''Science Guy''